28882539858 has 16 divisors (see below), whose sum is σ = 57767296320. Its totient is φ = 9627143856.

The previous prime is 28882539857. The next prime is 28882539877. The reversal of 28882539858 is 85893528882.

It is a super-2 number, since 2×28882539858² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28882539857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111723 + ... + 265041.

It is an arithmetic number, because the mean of its divisors is an integer number (3610456020).

Almost surely, 2^28882539858 is an apocalyptic number.

28882539858 is an abundant number, since it is smaller than the sum of its proper divisors (28884756462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28882539858 is a wasteful number, since it uses less digits than its factorization.

28882539858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184721.

The product of its digits is 88473600, while the sum is 66.

The spelling of 28882539858 in words is "twenty-eight billion, eight hundred eighty-two million, five hundred thirty-nine thousand, eight hundred fifty-eight".